<template>
  <div class="app-container">
    <el-row>
      <el-col :span="4">
        <el-input v-model="filterText" clearable style="width:90%; margin-bottom: 20px;" prefix-icon="el-icon-search" placeholder="输入部门名称搜索" />
        <el-tree
          ref="tree"
          class="filter-tree"
          :data="departmentsData"
          :props="defaultProps"
          :expand-on-click-node="false"
          :filter-node-method="filterNode"
          @node-click="handleNodeClick"
        />
      </el-col>
      <el-col :span="20">
        <el-form ref="form" :model="form" inline>
          <el-form-item prop="search">
            <el-input v-model="form.search" clearable style="width:300px" prefix-icon="el-icon-search" placeholder="输入用户名、姓名、手机号、邮箱搜索" />
          </el-form-item>
          <el-form-item prop="is_active">
            <el-select v-model="form.is_active" style="width:100px" clearable placeholder="状态">
              <el-option label="激活" value="true" />
              <el-option label="锁定" value="false" />
            </el-select>
          </el-form-item>
          <el-form-item>
            <el-button type="success" icon="el-icon-search" size="medium" @click="searchPage">搜索</el-button>
            <el-button type="warning" icon="el-icon-refresh-left" size="medium" @click="resetForm()">重置</el-button>
          </el-form-item>
        </el-form>
        <el-button  type="primary" style="margin-bottom:20px" icon="el-icon-plus" size="medium" @click="createUser()">新增</el-button>
        <el-button  type="danger" icon="el-icon-delete" :disabled="multipleSelection.length ? false : true" size="medium" @click="deleteUsers(form)">删除</el-button>
        <el-table
          ref="multipleTable"
          :data="tableData"
          style="width: 100%"
          @selection-change="handleSelectionChange"
        >
          <el-table-column
            type="selection"
            width="55"
          />
          <el-table-column
            prop="username"
            label="用户名"
          />
          <el-table-column
            prop="name"
            label="姓名"
          />
          <el-table-column
            prop="mobile"
            label="电话"
            width="180"
          />
          <el-table-column
            prop="email"
            label="邮箱"
            width="180"
          />
          <el-table-column
            prop="department_name"
            label="部门"
          />
          <el-table-column
            prop="date_joined"
            label="创建时间"
            width="180"
          />
          <el-table-column
            label="状态"
            align="center"
            width="100"
          >
            <template slot-scope="{row}">
              <!-- v-model="row.is_active" -->
              <el-switch
                v-model="row.is_active"
                :active-value="true"
                :disabled="!checkPermission(['admin','system-users-lock'])||row.id === userId"
                :inactive-value="false"
                active-color="#13ce66"
                inactive-color="#ff4949"
                @change="changeIsActive($event, row)"
              />
            </template>
          </el-table-column>
          <el-table-column
            fixed="right"
            align="center"
            label="操作"
            width="230"
          >
            <template slot-scope="{row}">
              <el-button  type="primary" icon="el-icon-edit" size="mini" @click="updateUser(row)" />
              <el-button  type="danger" icon="el-icon-delete" size="mini" @click="deleteUser(row)" />
              <el-tooltip content="用户权限" placement="top">
                <el-button type="warning" icon="el-icon-user-solid" size="mini" @click="userPermissions(row)" />
              </el-tooltip>
              <el-tooltip content="重置密码" placement="top">
                <el-button  type="warning" size="mini" @click="resetPass(row)"><svg-icon icon-class="reset-password" /></el-button>
              </el-tooltip>
            </template>
          </el-table-column>
        </el-table>
        <!--分页组件-->
        <el-pagination
          :current-page="this.form.page"
          :page-sizes="[10, 20, 50, 100]"
          :page-size="10"
          :total="total"
          layout=" total,sizes, prev, pager, next, jumper"
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
        />
      </el-col>
    </el-row>
    <cu-form :dialog-visible="cuDialogVisible" :departments-data="departmentsData" :cur-id="curId" @close="close" @search="search" />
    <reset-pwd-form :reset-pass-dialog-visible="resetPassDialogVisible" :reset-cur-id="curId" @resetClose="resetClose" />
    <permissions-dialog :permissions-dialog-visible="permissionsDialogVisible" :user-id="curId" @permissionsClose="permissionsClose" />
  </div>
</template>

<script>
  import checkPermission from '@/utils/permission'
  import cuForm from './components/cuForm'
  import resetPwdForm from './components/resetPwdForm'
  import permissionsDialog from './components/permissionsDialog'
  import { getUsers, updateUserActive, deleteUser, deleteUsers } from '@/api/system/user'
  import { getDepartments } from '@/api/system/departments'
  import { mapGetters } from 'vuex'
  export default {
    name: 'Users',
    components: { cuForm, resetPwdForm, permissionsDialog },
    data() {
      return {
        form: {
          page: 1,
          size: 10,
          search: '',
          is_active: '',
          ordering: 'id',
          department_id: ''
        },
        tableData: [],
        total: 0,
        multipleSelection: [], // 已选择的用户id数组
        filterText: '',
        departmentsData: [],
        defaultProps: {
          children: 'children',
          label: 'label'
        },
        // 以下为cuForm子组件数据
        cuDialogVisible: false,
        curId: null,
        // 以下为resetPwdForm子组件数据
        resetPassDialogVisible: false,
        // permissionsDialog子组件
        permissionsDialogVisible: false
      }
    },
    computed: {
      ...mapGetters([
        'userId'
      ])
    },
    watch: {
      filterText(val) {
        this.$refs.tree.filter(val)
      }
    },
    created() {
      this.search()
      this.getDepartments()
    },
    methods: {
      checkPermission,
      // 获取部门Tree结构
      getDepartments() {
        getDepartments().then(res => {
          console.log('getDepartments',res)
          this.departmentsData = res.data.results
        })
      },
      // 部门Tree过滤方法
      filterNode(value, data) {
        if (!value) return true
        return data.label.indexOf(value) !== -1
      },
      // 过滤部门下的用户列表
      handleNodeClick(data) {
        console.log(data)
        this.form.department_id = data.id
        this.search()
      },
      //按页搜索

      searchPage(){
        this.form.page = 1
        this.search()
      },
      // 获取用户列表/搜索功能
      search() {
        getUsers(this.form).then(res => {
          // 分页中data.results 是django 返回字段。返回内容在results中
          this.tableData = res.data.results
          this.total = res.data.count
        })
      },
      // 重置
      resetForm() {
        this.$refs.form.resetFields()
        // form中未使用department_id字段需手动清除
        this.form.department_id = ''
        this.search()
      },
      // 修改用户状态
      changeIsActive(event, row) {
        const message = !event ? '锁定' : '激活'
        this.$confirm('此操作将' + message + '用户 "' + row.username + '" , 是否继续？', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          const data = { 'is_active': row.is_active }
          updateUserActive(row.id, data).then(res => {
            this.$message({
              message: message + row.username + '成功',
              type: 'success'
            })
          }).catch(() => {
            row.is_active = !row.is_active
          })
        }).catch(() => {
          row.is_active = !row.is_active
        })
      },
      // 删除用户
      deleteUser(row) {
        this.$confirm('此操作将删除用户 "' + row.username + '" , 是否继续？', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          deleteUser(row.id).then(res => {
            this.$message({
              message: '删除用户' + row.username + '成功',
              type: 'success'
            })
            // 刷新table
            this.search()
          })
        })
      },

      // table选择功能的change事件
      handleSelectionChange() {
        const deleteIds = []
        this.$refs.multipleTable.selection.forEach(data => deleteIds.push(data.id))
        this.multipleSelection = deleteIds
      },

      // 批量删除用户
      deleteUsers() {
        this.$confirm('此操作将删除选中用户' + ', 是否继续？', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
          deleteUsers(this.multipleSelection).then(res => {
            this.$message({
              message: '删除用户成功',
              type: 'success'
            })
            // 刷新table
            this.search()
          })
        })
      },
      // 分页
      handleSizeChange(val) {
        this.form.size = val
        this.search()
      },
      // 改变页码
      handleCurrentChange(val) {
        this.form.page = val
        this.search()
      },
      // cuForm子组件
      createUser() {
        this.cuDialogVisible = true
      },
      updateUser(row) {
        this.curId = row.id
        this.cuDialogVisible = true
      },
      close() {
        this.cuDialogVisible = false
        this.curId = null
      },
      // 重置密码子组件
      resetPass(row) {
        this.resetPassDialogVisible = true
        this.curId = row.id
      },
      resetClose() {
        this.resetPassDialogVisible = false
        this.curId = null
      },
      // 用户权限组件
      userPermissions(row) {
        this.permissionsDialogVisible = true
        this.curId = row.id
      },
      permissionsClose() {
        this.permissionsDialogVisible = false
        this.curId = null
      }
    }

  }
</script>
